[BE] Model binding

[jordimorillo]

As BE developers
We want to have each one of us a card to apply the model binding.
To do this, we will analyse the endpoints to share the workload
We will know this requirement is met when each one of us has a model binding card

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Participants:

• Begoña
• Stephane
• Ivan
• Nacho
• Diego
• Mario

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Endpoints to refactor:

• 'student.details' -> Ivan
• 'student.updateProfile' -> Stef
• 'student.projects' -> Nacho
• 'student.updateProject' -> Nacho
• 'student.bootcamp' -> Ivan
• 'student.updateCollaborations'
• 'student.additionaltraining' -> Bego
• 'student.languages' -> Diego
• 'student.addLanguage' -> Stef
• 'student.languages.update' -> Stef
• 'student.language.delete'
• 'student.modality' -> Ivan
• 'student.skills' #292
• 'student.collaborations' #295
• 'student.photo.get' ->Diego
• 'student.updatePhoto'